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view test/CodeGen/X86/atomic-or.ll @ 33:e4204d083e25

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LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children afa8332a0e37
line wrap: on
line source

; RUN: llc < %s -march=x86-64 -verify-machineinstrs | FileCheck %s

; rdar://9692967

define void @t1(i64* %p, i32 %b) nounwind {
entry:
  %p.addr = alloca i64*, align 8
  store i64* %p, i64** %p.addr, align 8
  %tmp = load i64** %p.addr, align 8
; CHECK-LABEL: t1:
; CHECK: movl    $2147483648, %eax
; CHECK: lock
; CHECK-NEXT: orq %r{{.*}}, (%r{{.*}})
  %0 = atomicrmw or i64* %tmp, i64 2147483648 seq_cst
  ret void
}

define void @t2(i64* %p, i32 %b) nounwind {
entry:
  %p.addr = alloca i64*, align 8
  store i64* %p, i64** %p.addr, align 8
  %tmp = load i64** %p.addr, align 8
; CHECK-LABEL: t2:
; CHECK: lock
; CHECK-NEXT: orq $2147483644, (%r{{.*}})
  %0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst
  ret void
}